| Nominal | 990121 |
| Cardinal | nine hundred ninety thousand one hundred twenty-one |
Cardinal nine hundred ninety thousand one hundred twenty-one | |
| Ordinal | 990,121st |
| Number of digits | 6 |
| Sum of digits | 22 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 11 x 90011 |
| Prime factors | 11, 90011 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 90022 |
| Product of prime factors | 990121 |
| Is 990121 a prime number? | No |
| Is 990121 a semiprime number? | No |
| Is 990121 a Chen prime number? | No |
| Is 990121 a Mersenne prime number? | No |
| Is 990121 a Catalan number? | No |
| Is 990121 a Fibonacci number? | No |
| Is 990121 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111100011011101010012 |
| 3 | Ternary | 12120220120113 |
| 4 | Quaternary | 33012322214 |
| 5 | Quinary | 2231404415 |
| 6 | Senary | 331155216 |
| 7 | Septenary | 112624367 |
| 8 | Octal | 36156518 |
| 9 | Nonary | 17681649 |
| 10 | Decimal | 990121 |
| 12 | Duodecimal | 3b8ba112 |
| 16 | Hexadecimal | f1ba916 |
| 20 | Vigesimal | 63f6120 |
| 36 | Base36 | l7zd36 |
| 60 | Sexagesimal | 4Z2160 |
| Square of 990121 (n2) | 980339594641 |
| Cube of 990121 (n3) | 970654819785541561 |
| Square root of 990121 | 995.04824003663 |
| Natural Logarithm (ln) of 990121 | 13.805582436864 |
| Decimal Logarithm (log) of 990121 | 5.9956882717907 |
| Sine of 990121 | -0.81418922070109 |
| Cosecant of 990121 | -1.2282157200987 |
| Cosine of 990121 | -0.58059961496211 |
| Secant of 990121 | -1.7223573254785 |
| Tangent of 990121 | 1.4023247686002 |
| Cotangent of 990121 | 0.71310157417973 |
| The spelling of 990121 in words is "nine hundred ninety thousand one hundred twenty-one", meaning that: |
| 990121 is not an aban number (as it contains the letter a) |
| 990121 is not an eban number (as it contains the letter e) |
| 990121 is not an iban number (as it contains the letter i) |
| 990121 is not an oban number (as it contains the letter o) |
| 990121 is not a tban number (as it contains the letter t) |
| 990121 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৯৯০১২১ |
| Eastern Arabic numerals | ٩٩٠٬١٢١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓍢𓎇𓏺 |
| Khmer numerals | ៩៩០១២១ |
| Japanese numerals | 九十九万百二十一 |
| Roman numerals | n/a |
| Thai numerals | ๙๙๐๑๒๑ |
| Arabic | تسعة مائة و تسعون ألف و مائة و واحد و عشرون |
| Croatian | devetsto devedeset tisuća sto dvadeset i jedan |
| Czech | devět set devadesát tisíc sto dvacet jeden |
| Danish | ni hundrede halvfems tusinde et hundrede en og tyve |
| Dutch | negenhonderdnegentigduizend honderdéénentwintig |
| Estonian | akpe alafa asieke kple blaasieke alafa ɖeka blaeve vɔ ɖekɛ |
| Faroese | níggjuhundraðogníti tusin og eitthundraðogtjúgoein |
| Filipino | siyám na daán at siyám na pû libó’t isáng daán at dalawáng pû’t isá |
| Finnish | yhdeksänsataayhdeksänkymmentätuhattasatakaksikymmentäyksi |
| French | neuf cent quatre-vingt-dix mille cent vingt et un |
| Greek | εννιακόσιες εννενήντα χίλιάδες εκατόν είκοσι ένα |
| German | neunhundertneunzigtausendeinhunderteinundzwanzig |
| Hebrew | תשע מאות תשעים אלף מאה עשרים ואחת |
| Hindi | नौ लाख नब्बे हज़ार एक सौ इक्कीस |
| Hungarian | kilencszázkilencvenezerszázhuszonegy |
| Icelandic | níuhundrað og níutíu þúsund og eitthundrað og tuttugu og einn |
| Indonesian | sembilan ratus sembilan puluh ribu seratus dua puluh satu |
| Italian | novecentonovantamilacentoventuno |
| Japanese | 九十九万百二十一 |
| Korean | 구십구만 백이십일 |
| Latvian | deviņsimt deviņdesmit tūkstoši simt divdesmit viens |
| Lithuanian | devyni šimtai devyniasdešimt tūkstančių šimtas dvidešimt vienas |
| Norwegian | ni hundre og nitti tusen hundre og tjueén |
| Persian | نهصد و نود هزار و صد و بیست و یک |
| Polish | dziewięćset dziewięćdziesiąt tysięcy sto dwadzieścia jeden |
| Portuguese | novecentos e noventa mil cento e vinte e um |
| Romanian | nouă sute nouăzeci mii una sută douăzeci şi unu |
| Russian | девятьсот девяносто тысяч сто двадцать один |
| Serbian | деветсто деведесет хиљада сто двадесет и један |
| Slovak | deväťsto deväťdesiat tisíc jednasto dvadsaťjeden |
| Slovene | devetsto devetdeset tisuću sto dvaset ena |
| Spanish | novecientos noventa mil ciento veintiuno |
| Swahili | elfu mia tisa na tisini, mia moja na ishirini na moja |
| Swedish | niohundranittiotusenenhundratjugoen |
| Thai | เก้าแสนเก้าหมื่นหนึ่งร้อยยี่สิบเอ็ด |
| Turkish | dokuz yüz doksan bin yüz yirmi bir |
| Ukrainian | девʼятсот девʼяносто тисяч сто двадцять один |
| Vietnamese | chín trăm chín mươi nghìn một trăm hai mươi mốt |
| Number 990121 reversed | 121099 | |
| Unicode Character | U+F1BA9 | |
| Hexadecimal color | #990121 | |
| Unix Timestamp | Mon, 12 Jan 1970 11:02:01 +0000 | |